At any stage, you can move up or down the Taxonomic hierachy of Antarctic/subantarctic species by clicking on any name. Lower level taxon counts are shown in [].
Back to List of kingdoms
| Kingdom | Animalia | |
| Phylum | Cnidaria | |
| Class | Hydrozoa |
List of Orders
| Anthoathecata | [6] | |
| Anthomedusae | [30] | |
| Filifera | [2] | |
| Hydroida | [2] | |
| Leptomedusae | [14] | |
| Leptothecata | [18] | |
| Limnomedusae | [5] | |
| Narcomedusae | [8] | |
| Siphonophora | [3] | |
| Siphonophorae | [4] | |
| Trachymedusae | [18] |